It's the question nobody wants to touch with a 10-foot Wiimote: what makes American games better, or different than others? Is there a difference at all? It used to be that American games accounted for a small amount of the world's interactive entertainment -- at least, back in the days when Japan-based Sega and Nintendo ruled. Now, many top game publishers are U.S.-based, and are consolidating into monster studios, such as EA and Activision-Blizzard. But, again, are the Americans making better games?